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Published on: November 7, 2018
[Spread of salmonellosis in Moscow and the ways of its prophylaxis]
Abstract:
The article deals with the results of the epidemiological analysis of the spread of salmonellosis in Moscow. During the last 15 years the proportion of Salmonella enteritidis was about 80% and more. After salmonellosis morbidity decreased to 19.9 per 100,000 of the population (the minimum level) in 1985 its sharp rise was noted. Morbidity rate increased from 31.7 in 1987 to 55.1 per 100,000 in 1988, then to 93.9 per 100,000 of the population in 1989 (the maximum level). In the subsequent years up to 1996 a decrease in morbidity rate was observed, but in 1997-2002 morbidity rate stabilized within 29.8-35.7 per 100,000 of the population without a perceptible tendency towards decrease. The sharp increase of the etiological role of S. enteritidis which led to a wide spread of Salmonella infections was caused by the "chicken-egg" factor of their transmission. High morbidity rate among children and adults, registered all the year round, is the consequence of the constant epidemic activity of this factor.
Insights
Salmonellosis in Moscow is dominated by Salmonella enteritidis, accounting for over 80% of cases. A significant rise in salmonellosis incidence occurred in the late 1980s, with rates stabilizing in the late 1990s and early 2000s.
Area of Science:
- Epidemiology
- Microbiology
- Public Health
Context:
- Salmonellosis remains a significant public health concern in Moscow.
- The study analyzes epidemiological data spanning 15 years, focusing on trends and causative agents.
Purpose:
- To conduct an epidemiological analysis of salmonellosis spread in Moscow.
- To identify the primary etiological agent and transmission factors of salmonellosis.
Summary:
- Salmonella enteritidis has been the predominant pathogen, consistently representing over 80% of cases.
- Salmonellosis incidence in Moscow peaked in 1989 after a sharp rise from 1987, with subsequent decreases and stabilization between 1997-2002.
- The 'chicken-egg' transmission factor is identified as a key driver for the widespread Salmonella infections, including Salmonella enteritidis.
Impact:
- Highlights the persistent epidemic activity of Salmonella enteritidis due to its transmission cycle.
- Provides crucial data for public health interventions targeting salmonellosis control in urban populations.
- Informs strategies to mitigate the impact of foodborne illnesses, particularly Salmonella infections.
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